solution m2-017

projects/017-caesar-cipher/python/main.py

@@ -0,0 +1,59 @@
+
+# user_message = input('Write a message: ').lower()
+# user_shift = int(input('supply a shift amount: '))
+# alphabet = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
+
+# for letter in user_message:
+#     if letter not in alphabet:
+#         print(letter)
+
+#     else:
+#         position = alphabet.index(letter)
+#         new_position = position + user_shift
+
+#         if new_position >= len(alphabet):
+#             restart = new_position - len(alphabet)
+#             cipher = alphabet[restart]
+
+#         else:
+#             cipher = alphabet[new_position]
+
+#     print(cipher)
+
+
+
+
+user_message = input('Write a message: ')
+user_shift = int(input('supply a shift amount: '))
+
+for letter in user_message:
+    to_number = ord(letter)
+
+    if 65 <= to_number <= 90:
+        shifted = to_number + user_shift
+
+        if shifted > 90:
+            shifted = shifted - 26
+            to_letter = chr(shifted)
+
+        else:
+            to_letter = chr(shifted)
+
+        print(to_letter)
+
+    elif 97 <= to_number <= 122:
+        shifted = to_number + user_shift
+
+        if shifted > 122:
+            shifted = shifted - 26
+            to_letter = chr(shifted)
+
+        else:
+            to_letter = chr(shifted)
+
+        print(to_letter)
+
+    else:
+        print(letter)
+
+